Patents by Inventor Seiichi Atomori

Seiichi Atomori has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5643990
    Abstract: A resin compound having superior electrical, mechanical, and molding properties that includes a synthetic resin and carbon fibrils. At least 50 wt % of the fibrils are intertwined to form fibril agglomerates whose diameter is in the range of 0.10-0.25 mm.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: July 1, 1997
    Assignee: Hyperion Catalysts International, Inc.
    Inventors: Shotaro Uehara, Munehiro Mitsui, Seiichi Atomori, Tateki Furuyama, Atushi Shiota, Mineo Fujimura, Masaki Nagata
  • Patent number: 5605962
    Abstract: A flame retarding resin composition comprising 100 parts by weight of a specific rubber-reinforced resin, 1-200 parts by weight of a phenol resin, 1-200 parts by weight of an organic phosphorus compound, 1-50 parts by weight of a nitrogen-containing compound, 0-40 parts by weight of an oligomer-type polymer containing a functional group, 0-30 parts by weight of a metal compound, a silicon compound, and/or polytetrafluoroethylene, and 0-300 parts by weight of a styrene-type resin. The composition has high impact resistance, excellent heat resistance, and a superior self-fire-extinguishing characteristic.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: February 25, 1997
    Assignee: Japan Synthetic Rubber Co., Ltd.
    Inventors: Masanori Suzuki, Hiroyuki Itoh, Koichi Sumi, Yoichi Kamoshida, Shigeru Abe, Seiichi Atomori, Tateki Furuyama
  • Patent number: 5258438
    Abstract: A flame retardant resin composition including the following components (A), (B) and (C) in the ratio (A):(B):(C)=15-99:0-84:1-30% by weight; and wherein the molar ratio of bromine atom and antimony atom is 1.2-4.5:1.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: November 2, 1993
    Assignee: DSM N.V.
    Inventors: Masanori Suzuki, Hiroyuki Itoh, Seiichi Atomori, Tateki Furuyama
  • Patent number: 5169899
    Abstract: A thermoplastic resin composition comprising(A) 1-90% by weight of a polyamide elastomer and(B) 99-10% by weight of at least one of the following (a) and (b):(a) a rubber-modified thermoplastic styrene resin consisting of a rubber-modified styrene polymer containing a hydroxyl group-containing alkenyl monomer as a copolymerized component or a mixture of rubber-modified styrene polymer with a styrene polymer, in which mixture at least one of these polymers contains a hydroxyl group-containing alkenyl monomer as a copolymerized component,(b) a mixture or reaction product of (1) 40-99% by weight of a thermoplastic polyurethane with (2) 60-1% by weight of a functional group-containing styrene resin in which a styrene resin is copolymerized with an unsaturated compound having at least one functional group selected from the group consisting of a carboxyl group, an acid anhydride group, an amino group, an epoxy group and a hydroxyl group.
    Type: Grant
    Filed: September 7, 1989
    Date of Patent: December 8, 1992
    Assignee: Japan Synthetic Rubber Co., Ltd.
    Inventors: Shotaro Uehara, Hodaka Mizuno, Seiichi Atomori, Tateki Furuyama, Akira Kamiya
  • Patent number: 4839410
    Abstract: A flame-retardant rubber-modified styrene resin composition comprising, as essential components, (A) a rubber-modified styrene resin, (B) a halogenated bisphenol type polycarbonate oligomer, (C) a halogenated bisphenol type compound, and (D) a halogenated polyolefin compound. The resin composition contains these components (A), (B), (C), and (D) at specific proportions, and its contents of the components (B) and (C) must be at a specified ratio. The resin composition is not only flame-retardant but also possesses such excellent characteristics as a high degree of light resistance, heat resistance, impact resistance and fluidity when it is molded. It can be molded into articles of various shapes and has a wide variety of applications in business machines, electric appliances, and automobile parts.
    Type: Grant
    Filed: February 9, 1988
    Date of Patent: June 13, 1989
    Assignee: Japan Synthetic Rubber Co., Ltd.
    Inventors: Seiichi Atomori, Teruo Inagaki, Tateki Furuyama, Akira Kamiya
  • Patent number: 4777202
    Abstract: A flame-retardant styrene resin composition comprising 100 parts by weight of a styrene resin, 1 to 25 parts by weight of at least one flame retarder (A) represented by the formula (I): ##STR1## wherein X is Br or Cl; and each of h and i is an integer of 2 to 5, and 1 to 25 parts by weight of at least one flame retarder (B) represented by the formula (II): ##STR2## wherein X is Br or Cl; each of l and m is an integer of 1 to 4; n means that the number of repeating units is 1 to 50; each of R.sup.1 and R.sup.2 is a C.sub.1-12 alkyl group; and each of R.sup.3 and R.sup.4 is a hydrogen atom, a lower alkyl group, an alkylphenyl group or a phenyl group, the total amount of (A) and (B) being 2 to 40 parts by weight. This composition has excellent heat resistance and excellent heat stability in addition to flame retardancy.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: October 11, 1988
    Assignee: Japan Synthetic Rubber Co., Ltd.
    Inventors: Teruo Inagaki, Seiichi Atomori, Tateki Furuyama, Yuji Yamamoto
  • Patent number: 4563505
    Abstract: A process for producing a thermoplastic resin by polymerizing a monomer mixture consisting of an unsaturated nitrile monomer and an alkenyl aromatic hydrocarbon monomer in the presence of a rubbery polymer latex, characterized in that(a) at first, a monomer mixture having an unsaturated nitrile monomer content of 0 to 20 weight % is polymerized in an amount of 30 to 70 weight % based on the amount of the whole monomer mixture,(b) subsequently, the residual monomer mixture having an unsaturated nitrile monomer content of 35 to 90 weight % is polymerized, and the unsaturated nitrile monomer content in the polymer part formed by polymerization in said (a) and (b) steps is 28 to 38 weight %. The thermoplastic resin obtained according to this process has a high chemical resistance, an excellent impact resistance and an excellent processability.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: January 7, 1986
    Assignee: Japan Synthetic Rubber Co., Ltd.
    Inventors: Mitsuo Abe, Seiichi Atomori, Tadahiko Tsutsumi, Masahiko Noro
  • Patent number: 4396654
    Abstract: When the impact resistant resin composition comprising a graft polymer in which an aromatic alkenyl compound and an alkenyl cyanide compound are grafted on a rubbery polymer, and a matrix consisting essentially of an aromatic alkenyl compound-alkenyl cyanide compound copolymer satisfies the following conditions, the composition has an improved vacuum formability and the molded articles obtained by vacuum-forming the same have smaller variations in thickness at any given area and there is a smaller reduction of strength due to contact with foamed polyurethane:(1) the proportion of the rubbery polymer in said impact resistant resin composition is 10-30% by weight,(2) the graft polymer has a degree of grafting of 70-120% by weight,(3) the matrix has an intrinsic viscosity of 0.55-0.80 dl/g as measured at 30.degree. C. in methyl ethyl ketone, and(4) the weight ratio of the aromatic alkenyl compound to the alkenyl cyanide compound in the impact resistant resin composition is in the range of 2.0-2.8.
    Type: Grant
    Filed: June 24, 1981
    Date of Patent: August 2, 1983
    Assignee: Japan Synthetic Rubber Co., Ltd.
    Inventors: Mitsuo Abe, Yozo Kitagawa, Tadahiko Tsutsumi, Tadashi Kato, Seiichi Atomori